Samsung VP-D73, Service Manual

Page: 45 / 170

3-30
Samsung Electronics
Adjustment and Adjustment
Address
Mode
PAL
NTSC
3. Adjustment Mode Table
Remark
*
The Adjustment sequence is VCO
-->VCOM-->BRIGHT-->R-W/B-->G-W/B-->B-W/B
4. Location of Adjustment TP
I C
A
R
24P
VCOM
1) VCO
a) TP-HD & EVR
b) Connect an Freguency counter to TP-HD
c) Adjust the EVR so that Freguency is
15.734khz (NTSC),15.625khz(PAL)
2) VCOM
a) TP-VCOM & EVR
b) Connect an voltmeter to TP-VCOM.
c) Adjust the EVR so that DC voltage is DC
1.1±0.05 V.
Note: In LCD adjustment mode, when shorting
"A" of PCB to GND and pressing the
START/STOP button, EEPROM stores con-
firmed adjustment value.
B
G
VCO
VCOM
BRIGHT
R-W/B
G-W/B
B-W/B
BRIGHT MIN
BRIGHT MAX
COLOR MIN
COLOR MAX
MODEL
H POS
V POS
M O D E 2
VD POS
H D W I D
HD POS
O S D
VCO ---> Adjust
COM DC-->Adjust
COM GA>Adjust
R-W/B -->Adjust
G-W/B-->Adjust
B-W/B-->Adjust
Brght varification of MIN
S H A R P
fix initial value
17
11
09
14
18
19
OC
OC
01
02
03
04
06
07
08
OB
OE
OF
10
12
13
15
OA
OD
16
TINT
G A M M A
CONT
L I M I T
R BRT
B B R T
34
67
4F
41
02
02
02
02
78
B9
18
OF
B7
80
B9
80
00
64
B8
70
80
8F
3D
3F
6A
34
67
4F
41
02
02
02
02
F8
B9
OA
OF
B7
80
9E
80
00
64
B8
70
80
8F
3D
3F
6A
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
fix initial value
direction for USER
Brght varification of MIN
direction for USER
Brght varification of MIN
direction for USER
Brght varification of MIN
direction for USER
fix initial value